73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
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/*
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* lmo - Lua Machine Objects - General header
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*
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* Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LMO_H_
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#define _LMO_H_
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <errno.h>
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#if (defined(__GNUC__) && defined(__i386__))
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#define sfh_get16(d) (*((const uint16_t *) (d)))
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#else
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#define sfh_get16(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
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+(uint32_t)(((const uint8_t *)(d))[0]) )
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#endif
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struct lmo_entry {
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uint32_t key_id;
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uint32_t val_id;
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uint32_t offset;
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uint32_t length;
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struct lmo_entry *next;
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} __attribute__((packed));
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typedef struct lmo_entry lmo_entry_t;
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struct lmo_archive {
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int fd;
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uint32_t length;
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lmo_entry_t *index;
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char *mmap;
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};
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typedef struct lmo_archive lmo_archive_t;
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uint32_t sfh_hash(const char * data, int len);
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char _lmo_error[1024];
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const char * lmo_error(void);
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lmo_archive_t * lmo_open(const char *file);
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int lmo_lookup(lmo_archive_t *ar, const char *key, char *dest, int len);
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void lmo_close(lmo_archive_t *ar);
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#endif
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